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The Assessment of British Hedgehog [Erinaceus europaeus] Casualties on Arrival and Determination of Optimum Release Weights Using a New Index

TABLE 1

Age, weight and Hedgehog Index (BI) in a litter of eight siblings
[values for weight (g) are shown in normal type, BI in bold]

Age (days)
26
27
28
29
30
31
32
33
34
35
36
37
38
39
Animal A
131
138
137
140
149
171
185
195
210
200
220  0.81
230
235
235
Animal B
126
132
129
135
142
161
162
163
181
181
196  0.81
205
215
205
Animal C
118
120
125
142
157
175
193
205
220
235
260  0.82
270
260
245
Animal D
155
164
163
170
191
200
200
215
220
238
250  0.83
265
260
275
Animal E
129
136
132
125
131
145
150
148
162
169
178  0.83
190
190
184
Animal F
149
161
159
161
180
205
199
210
210
235
240  0.83
240
240
255
Animal G
128
140
132
142
144
167
175
169
184
190
205  0.80
215
220
210
Animal H
143
151
152
157
170
189
184
195
198
225
220  0.83
230
230
240
Average
135
143
141
147
158
177
181
188
198
209
221  0.82
231
231
231

Age (days)
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Animal A
245
275
0.81
287
310
320
0.83
325
345
335
0.84
340
0.84
355
355
0.81
365
0.84
355
380
410
0.80
Animal B
225
260
0.80
275
293
315
0.82
325
340
377
0.83
370
0.82
385
410
0.82
430
0.82
420
460
465
0.81
Animal C
270
290
0.81
320
310
325
0.81
360
340
375
0.80
370
0.80
380
400
0.81
415
0.83
385
425
420
0.80
Animal D
295
305
0.79
340
348
345
0.80
360
390
385
0.79
425
0.81
430
450
0.80
465
0.79
475
490
535
0.84
Animal E
200
230
0.78
232
250
270
0.76
290
300
315
0.80
325
0.80
340
325
0.80
358
0.79
355
370
380
0.82
Animal F
270
298
0.84
305
310
335
0.83
330
365
390
0.88
405
0.84
420
435
0.83
455
0.78
465
485
508
0.85
Animal G
232
270
0.79
275
300
305
0.78
328
350
365
0.83
355
0.83
375
400
0.76
415
0.77
420
425
445
0.83
Animal H
260
275
0.79
310
300
320
0.78
340
335
360
0.84
375
0.82
380
402
0.80
410
0.79
---
445
460
0.81
Average
250
275
0.80
293
303
317
0.80
332
346
363
0.83
371
0.82
383
397
0.80
414
0.80
---
435
453
0.82

Casualties Article


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